<template>
    <div>
      <!-- 面包屑导航 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>数据统计</el-breadcrumb-item>
        <el-breadcrumb-item>数据报表</el-breadcrumb-item>
      </el-breadcrumb>
      <!-- 卡片视图区 -->
      <el-card>
        <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
        <div id="m" style="width: 700px;height:400px;"></div>
      </el-card>
    </div>
</template>

<script>
/* 导入echarts文件 */
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
  name: 'report',
  data () {
    return {
      // 指定图表的配置项和数据 需要被合并的数据
      option: {
        title: {
          text: 'ECharts 入门示例'
        },
        tooltip: {},
        legend: {
          data: ['销量']
        },
        xAxis: {
          data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
        },
        yAxis: {},
        series: [{
          name: '销量',
          type: 'bar',
          data: [5, 20, 36, 10, 10, 20]
        }]
      }
    }
  },
  created () {
  },
  async mounted () {
    /* 基于准备好的dom，初始化echarts实例 */
    var myChart = echarts.init(document.getElementById('m'))
    const { data: res } = await this.$http.get('/reports/type/1')
    if (res.meta.status !== 200) {
      return this.$message.error('获取图形数据失败')
    }
    // 指定图表的配置项和数据
    const result = _.merge(res.data, this.option)
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result)
  },
  methods: {}
}
</script>

<style lang="less" scoped>

</style>
